Home / 40,245.90-55,539.56-25,147.32

Finding the Fourth Proportional to 40,245.90, 55,539.56 and 25,147.32

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Solution

The fourth proportional to 40,245.90, 55,539.56 and 25,147.32 is: 34,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.90 : 55,539.56 = 25,147.32 : x
  2. Step 2: Convert to fraction form
    40,245.90/55,539.56 = 25,147.32/x
  3. Step 3: Cross multiply
    40,245.90x = 55,539.56 × 25,147.32
  4. Step 4: Simplify right side
    40,245.90x = 1,396,671,087.98
  5. Step 5: Solve for x
    x = 1,396,671,087.98/40,245.90
  6. Step 6: Final answer
    x = 34,703.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.